Alice isn't ready to turn forty. She thought she'd have more time to figure it all out. Above all, she thought she'd have more time with her father, Leonard Stern, an eccentric novelist - but he's lying in a hospital bed and Alice isn't sure if she'll hear his voice again. When she falls asleep outside their old apartment, she's surprised to be greeted the next morning by a much younger Leonard, with a sixteenth birthday card for a teenage Alice who, far from clinging to her youth, is hurtling towards adulthood...